REFUSE AND WASTE EQUIPMENT HYDRAULICS

1.   Hydraulic Principles

  • Flow/Pressure Relationship

  • Pascal’s Law/Bernoulli Principle

  • Restrictions/Pressure Drop/Heat/Power Loss


2.   Pump/Valve Combinations

  • Fixed Displacement Pump

    • Advantages & Disadvantages

  • Variable Displacement Pump

    • Advantages & Disadvantages


3.   Flow and Pressure Control

  • Flow Control Valve Types

    • Function & Construction

  • Pressure Control Valve Types

    • Function & Construction

    • Understanding Pilot Operation


4.   Power Beyond Circuits


5.   Regeneration Circuits


6.   Accumulators – Types & Functions


7.   Sequence Circuits


8.   Electric & Electrohydraulic Control Valves

  • Application and Actuator Control

    • Solenoid Valves

    • Proportional Valves

    • Servo Valves


9.   Discussion of Practical Plumbing Techniques


10. Fluid Types & Seal Compatibility


11. Using Schematics for Troubleshooting Hydraulics Systems


12. How to Apply Logical Troubleshooting Methods

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